Product Features:
a) Built-in slimmest wireless Bluetooth 3.0 keyboard.
b) Automatic connecting(without entering password)
c) Built-in Rechargeable lithium battery lasts for approximately100 hours per charge
d) Special{home}screen key for one touch access to variety ofapplication
e) Light weight .quiet keystrokes.waterproof and dust-proof
f) Energy saving keyboard sleep mode

Product Description:
Material: Aluminum + Plastic
Key life :3 years
Product weight: 0.56kg
Battery capcity: 150 mAh
Working current: <'2.5mA
Sleep current: <'40A
Working voltage: 3.7V
Uninterrupted use time: 100 hours
working day :25 days
Charging time :<' 2 hours
working range: 10m